BR-615B Multi-Bolt Swing Door Lock, Stainless Steel & Carbon Steel High Security Lock for Aluminum Swing Doors

BR-615B multi-bolt swing door lock is precision engineered with high-grade stainless steel, carbon steel and copper internal components, delivering exceptional structural strength and long-lasting wear resistance. It adopts a 4-bolt locking mechanism that distributes locking force across multiple points, significantly improving anti-prying and anti-theft performance for aluminum swing doors. This swing door lock features a compact mounting design for quick and hassle-free installation, perfectly compatible with standard aluminum swing door profiles. The precision-machined lock cylinder ensures smooth key operation and stable latching for long-term daily use. Widely applied in residential entry doors, interior security doors and commercial aluminum swing door systems. Bulk wholesale orders and OEM customization are supported to meet diverse project requirements.